function CachePluginBase::getCacheTags

Gets an array of cache tags for the current view.

Return value

string[] An array of cache tags based on the current view.

File

core/modules/views/src/Plugin/views/cache/CachePluginBase.php, line 239

Class

CachePluginBase

The base plugin to handle caching.

Namespace

Code

public function getCacheTags() {
    $tags = $this->view->storage
        ->getCacheTags();
    // The list cache tags for the entity types listed in this view.
    $entity_information = $this->view
        ->getQuery()
        ->getEntityTableInfo();
    if (!empty($entity_information)) {
        // Add the list cache tags for each entity type used by this view.
        foreach ($entity_information as $metadata) {
            $tags = Cache::mergeTags($tags, \Drupal::entityTypeManager()->getDefinition($metadata['entity_type'])
                ->getListCacheTags());
        }
    }
    $tags = Cache::mergeTags($tags, $this->view
        ->getQuery()
        ->getCacheTags());
    return $tags;
}